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HOME > HVAC > FRIEDRICH > MR09C1H > FURNACE DOOR SWITCH

Friedrich MR09C1H Furnace Door Switch

The job of the furnace door switch stops the vent fan and gas ignition from activating in order to prevent injury and fire. It is extremely important that the device is exchanged for a new one ASAP if you see that it is broken.

What warnings should I watch out for to know if my safety furnace door switch really needs to be replaced?

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Before buying or purchasing any Friedrich MR09C1H replacement part, do your due diligence and make sure of the model number and also make a visual inspection so that you are positive that the correct replacement furnace door switch is the one being purchased. Once you have the part to install the replacement part alone. Search for a pro in your community to pay to install it for you.
Feel free to download your manual for help.
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Check eBay for your furnace door switch!